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Rotor sheet die

A technology of rotor punching and rotor sheeting, which is applied in the manufacture of stator/rotor body, etc., which can solve the problem that insulating paper cannot be bonded, and achieve the effect of simple structure

Inactive Publication Date: 2011-03-23
苏州百狮腾电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The grooves of the current rotor blades are generally oblong, but when the wires are installed, the wires and insulating paper are installed in the grooves, often due to the large grooves, the insulating paper cannot be attached

Method used

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  • Rotor sheet die
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0018] Such as Figure 1~6 The rotor stamping die shown includes a first template 1 and a second template 2 . Wherein: the first template 1 is provided with a convex mold, and the second template 2 is provided with a concave mold matching the convex mold.

[0019] The punch includes: a groove punch 3 for punching grooves on the rotor sheet 10 , and a shaft hole punch 4 for punching the shaft hole on the rotor sheet 10 . Wherein: the groove punch 3 includes a first groove punch 5 and a second groove punch 6, a plurality of first groove punches 5 are distributed along the first circumference, and a plurality of second groove punches 6 are distributed along the first circumference. The second circle is distributed, and meanwhile, the diameter of the first circle is larger than the diameter of the second circle, so that the first groove punch 5 is arranged outs...

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PUM

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Abstract

The invention relates to a rotor sheet die which comprises a first template and a second template. The first template is provided with a convex die, and the second template is provided with a concave die matched with the convex die; the convex die comprises a groove convex die used for stamping grooves on a rotor sheet and a shaft hole convex die used for stamping a shaft hole on the rotor sheet; the groove convex die comprises first groove convex dies and second groove convex dies, wherein a plurality of groove convex dies are distributed along a first circumference, a plurality of second convex dies are distributed along a second circumference, the diameter of the first circumference is larger than the diameter of the second circumference, and the first groove convex dies and the second groove convex dies are connected through connecting parts. The invention has the advantage of simple structure, and the grooves of the stamped rotor sheet can benefit the assembly of leads.

Description

technical field [0001] The invention relates to a rotor stamping die. Background technique [0002] At present, there is a groove in the middle of the motor rotor for placing wire coils. Like the stator, the rotor is usually made of silicon steel sheets. Therefore, such grooves are stamped out when stamping the silicon steel sheet. The grooves of the current rotor blades are generally oblong, but when the wires are installed, the wires and the insulating paper are installed in the grooves, and the insulating paper cannot be attached due to the large grooves. Contents of the invention [0003] The invention provides a rotor stamping die. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] A rotor stamping die, comprising a first template and a second template, the first template is provided with a punch, and the second template is provided with a concave die matching the punch, the The punch includes: a groov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/02
Inventor 金鸣镝
Owner 苏州百狮腾电气有限公司